6. A certain ethnic, religious or racial group may comprise the majority of people in specific city, state, province or region but be oppressed by a national majority.

7. A group of people, such as Christians in China, may be part of the world’s largest religious grouping, even if Christians do not comprise a majority of all the world’s people, and be oppressed within the borders of a specific nation.

So while I don’t believe American Christians are oppressed, it is very possible for a majority to be oppressed.